Junglewise Threat Intelligence

CVE-2026-80082: Microsoft Office out-of-bounds read

CVE-2026-80082 · Severity: medium · CVSS 6.5 · Published 2026-09-08

Executive brief

Microsoft Office, a widely-used productivity suite for creating documents and spreadsheets, contains a flaw that could allow an attacker to read sensitive information from a user's system over a network. If exploited, this could lead to exposure of confidential business data or personal information embedded in Office files or system memory.

Technical details

An out-of-bounds read vulnerability exists in Microsoft Office, allowing an attacker to access memory regions beyond intended boundaries. The vulnerability can be triggered over a network without requiring prior authentication. By crafting a malicious Office document or exploit payload, an attacker can leak sensitive information from the affected system's memory. Microsoft has released security updates to address this issue.

Affected products

  • Microsoft Office <UNKNOWN>

Timeline

  • 2026-09-08: disclosed

References

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